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公开(公告)号：US20250077021A1
公开(公告)日：2025-03-06
申请号：US18585956
申请日：2024-02-23
Applicant: Samsung Display Co., LTD.
Inventor： Jang Hui KIM , Ji Hoon KIM , Keum Dong JUNG
Abstract: A touch module includes: a touch array including: a first electrode group including touch electrodes extending in a first direction, and located along a second direction crossing the first direction; and a second electrode group including touch electrodes extending in the second direction, and located along the first direction; and a touch driver to output uplink signals through each of the first electrode group and the second electrode group to an external device adjacent to the touch array, the external device to calculate position information based on the uplink signals. The touch driver is to output the uplink signals by applying touch driving signals to some of the touch electrodes of the first touch electrode group, and at least one synchronization signal to others of the touch electrodes of the first touch electrode group, and at least some of the touch driving signals are synchronized with the synchronization signal.
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公开(公告)号：US20220285460A1
公开(公告)日：2022-09-08
申请号：US17511733
申请日：2021-10-27
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Suk KIM , Gee Bum KIM , Tae Hoon YANG , Byeong Wook YOO , Dae Young LEE , Keum Dong JUNG
Abstract: A display device including: a base layer; a backplane structure provided on the base layer, the backplane structure including pixel circuits and a sensor circuit; a pixel layer provided on the backplane structure, the pixel layer including light emitting elements respectively connected to the pixel circuits and a light receiving element connected to the sensor circuit; an encapsulation layer covering the pixel layer; a black matrix provided on the encapsulation layer, wherein the black matrix includes openings overlapping the light emitting elements and the light receiving element; and a color filter provided on the encapsulation layer and covering the black matrix, wherein the light emitting elements include light emitting layers, the light receiving element includes a light receiving layer and at least one of the openings of the black matrix overlaps one of the light emitting layers and the light receiving layer.
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3.发明申请公开(公告)号：US20240411396A1
公开(公告)日：2024-12-12
申请号：US18589620
申请日：2024-02-28
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Keum Dong JUNG , Jang Hui KIM , Bo Hwan LEE
IPC: G06F3/041 , G06F3/0354 , G06F3/044
Abstract: A display device including: a touch array including a plurality of touch electrodes; and a touch driver configured to sense a touch adjacent to the touch array, wherein the touch driver transmits, to an external device, uplink signals in which different position information are included through at least some of the touch electrodes in a first time period, and receives, from the external device, position information of the external device on the touch array in a second time period after the first time period, and wherein the position information of the external device is calculated by the external device, using the uplink signals.
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公开(公告)号：US20240016454A1
公开(公告)日：2024-01-18
申请号：US18474198
申请日：2023-09-25
Applicant: Samsung Display Co., LTD.
Inventor： Yu Na KIM , Keum Dong JUNG , Soo Jung LEE
CPC classification number: A61B5/6898 , A61B5/05 , A61B5/4881 , A61B5/4519 , A61B5/4872 , A61B5/4869 , G06F3/0446
Abstract: The terminal may include a touch panel including first electrodes arranged in a first direction and second electrodes arranged in the second direction intersecting the first direction, a display panel attached to the touch panel and to display an image, and a processor to control the touch panel and the display panel. In a measuring mode, the processor is configured to: apply a driving signal to the touch panel, the touch panel being configured to form an electric field and/or magnetic field when the driving signal is applied, and determine body composition of a user based on a sensing signal output from the touch panel in accordance with eddy current, the eddy current being induced to a body of the user by the electric field and/or magnetic field formed around the touch panel.
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公开(公告)号：US20230152922A1
公开(公告)日：2023-05-18
申请号：US17809091
申请日：2022-06-27
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Keum Dong JUNG , Ji Woong KIM , Hyung Gun MA , Kyung Tea PARK , Moon Jae JEONG , Sang Hyun HEO
CPC classification number: G06F3/04166 , G06F3/0446
Abstract: A sensor device of the present invention includes first sensors; second sensors forming capacitance with the first sensors; a multi-frequency generator generating a first frequency signal and a second frequency signal having different frequencies; a sensor transmitter supplying first driving signals based on the first frequency signal to first sensors of a first group among the first sensors, supplying second driving signals based on the second frequency signal to first sensors of a second group among the first sensors, and simultaneously supplying the first driving signals and the second driving signals; and a sensor receiver simultaneously receiving sensing signals from the second sensors.
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Patent Agency Ranking
公开(公告)号：US20250147623A1
公开(公告)日：2025-05-08
申请号：US18896421
申请日：2024-09-25
Applicant: Samsung Display Co., LTD.
Inventor： Keum Dong JUNG , Jang Hui KIM , Ji Hoon KIM , Sang Hun PARK
Abstract: A sensor device includes: a sensor layer including first sensors, and second sensors forming a capacitance with the first sensors; and a sensor driver configured to transmit driving signals to the first sensors, and receive sensing signals from the second sensors, during a touch sensing period. The sensor driver is further configured to transmit first driving signals to at least some of the first sensors, and second driving signals to at least some of the second sensors, during an object sensing period different from the touch sensing period. During the object sensing period, the first driving signals applied to the first sensors located at an edge of the sensor layer are different from the first driving signals applied to the first sensors located at a central portion of the sensor layer in at least one of a voltage level, frequency, phase, or code.
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公开(公告)号：US20240370115A1
公开(公告)日：2024-11-07
申请号：US18508163
申请日：2023-11-13
Applicant: Samsung Display Co., Ltd.
Inventor： Keum Dong JUNG , Jang Hui KIM , Sang Hun PARK , Yong Sub SO , Da Eun YI , Bo Hwan LEE , Byeong Kyu JEON
Abstract: A touch device includes a touch panel including touch electrodes, and a touch driver adjacent to the touch panel, configured to sense a touch of a user, configured to transmit uplink signals including position information of the touch electrodes to an active pen through at least some of the touch electrodes in a first touch period, and configured to receive a sensing signal including position information of the active pen, which is calculated using the uplink signals, from the active pen in a second touch period after the first touch period.
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公开(公告)号：US20230350512A1
公开(公告)日：2023-11-02
申请号：US18103591
申请日：2023-01-31
Applicant: Samsung Display Co., LTD.
Inventor： Keum Dong JUNG , Hyoung Wook JANG
CPC classification number: G06F3/0416 , G06F3/0446 , G06V40/1306 , G06F3/0445 , G06F2203/04111
Abstract: A sensing panel includes a touch sensor that obtains information of a touch input in a sensing area, and a biometric sensor that obtains biometric information in a biometric sensing area. The touch sensor includes sensing pattern layers in the sensing area. The sensing pattern layers include cell electrodes and bridge electrodes electrically connecting the cell electrodes. The biometric sensor includes biometric sensing pattern layers in the biometric sensing area and trace lines electrically connected to the biometric sensing pattern layers. The trace lines and at least a portion of the bridge electrodes are disposed on a same layer. The trace lines bypass the bridge electrodes in a plan view.
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公开(公告)号：US20230326384A1
公开(公告)日：2023-10-12
申请号：US18210960
申请日：2023-06-16
Inventor： Hyung Gun MA , Gyu Wan LIM , Gyeong Gu KANG , Hyun Sik KIM , Keum Dong JUNG , Moon Jae JEONG
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G3/3208 , G09G2310/027 , G09G2300/0871
Abstract: A data driving circuit includes: a resistor string in which a plurality of resistors are connected in series; and a plurality of data channels connected to a high voltage node, intermediate voltage nodes, and a low voltage node of the resistor string and configured to convert a digital data signal into an analog data voltage. Each of the plurality of data channels includes: a main digital-to-analog converter connected to the high voltage node, the intermediate voltage nodes, and the low voltage node, a multiplier connected to an output terminal of the main digital-to-analog converter, a sub digital-to-analog converter connected to some of the high voltage node, the intermediate voltage nodes, and the low voltage node, and a voltage synthesizer connected to an output terminal of the multiplier and an output terminal of the sub digital-to-analog converter.
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公开(公告)号：US20210334496A1
公开(公告)日：2021-10-28
申请号：US17370206
申请日：2021-07-08
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Keum Dong JUNG , II Nam Kim , Kyung Tea Park , Jin Oh Kwag , Won Sang Park , Sung Chan Jo
IPC: G06K9/00
Abstract: A fingerprint recognition device including: a sensing panel including a plurality of sensing blocks, wherein each of the sensing blocks includes a plurality of sensors; a scan driving unit configured to provide a scan signal to the sensors; and a timing controller configured to provide a second initiation signal to the scan driving unit, wherein each of the sensors includes a reference capacitor and a sensing capacitor, the scan driving unit includes scan drivers that correspond to rows of the sensing blocks, in a fingerprint recognition mode, the timing controller provides the second initiation signal to a scan driver corresponding to a sensing block where a touch input is generated, and in a touch mode, the timing controller sequentially provides the second initiation signal to the scan drivers.
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